448643 has 4 divisors (see below), whose sum is σ = 483168. Its totient is φ = 414120.

The previous prime is 448633. The next prime is 448667. The reversal of 448643 is 346844.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 448643 - 2⁴ = 448627 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 448643.

It is not an unprimeable number, because it can be changed into a prime (448633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17243 + ... + 17268.

It is an arithmetic number, because the mean of its divisors is an integer number (120792).

2⁴⁴⁸⁶⁴³ is an apocalyptic number.

448643 is a deficient number, since it is larger than the sum of its proper divisors (34525).

448643 is a wasteful number, since it uses less digits than its factorization.

448643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34524.

The product of its digits is 9216, while the sum is 29.

The square root of 448643 is about 669.8081814968. The cubic root of 448643 is about 76.5538373928.

The spelling of 448643 in words is "four hundred forty-eight thousand, six hundred forty-three".